Improvement in punching, cutting, and shearing machines



- w By I mrg H.-WISLER.'

' PUNCHING, cuwwxm AND, SHEARING-MACHINE.

No.172,840. Pat ented-Feb.1,-1'876.

y J? I? W'IT E ESIY INVENTOR NTPETERS, PHOTO-UTHUGHAPIICR, WASHINGTON.D. C.

UNITED STATES PATENT OFFICE.

HENRY WlsLEB, OF LIMA, INDIANA.

Specification forming part of Letters Patent No. 172,840, dated February1, 1876; application filed March 26, 1875.

To all whom it may concern;

Be it known that I, HENRY WIsLER, of Lima, in the county of La Grangeand State of Indiana, have invented a new and Improved Punching,Cutting, and Shearing Machine; and I do hereby declare the following tobe a full and exact description of the same, reference being had to theaccompanying drawinhgs hforming part of this specification, in w 10Figure 1 is a front elevation; Fig. 2, a side elevation; and Fig. 3, anelevation, showing one-half of the frame with the punching, cutting, andshearing apparatus attached, but without the other part of the frame.

Similar letters of reference in the drawings denote the same parts.

The object of this invention is to provide for public use a moreconvenient and efficient device than those heretofore known for cutting,shearing, and punching metal; and to this end my invention consists inthe combination of a compact upright supporting-frame with'a system ofpunches of varying sizes, arranged on diit'erent sides of the frame atdifferent heights, and a cutter and shears, all attached to a' singleplunger or sliding bar, by tlie (ii'ensile strength of which the poweris app 1e In the drawings, AA represent the upright frame, composed oftwo parts connected by bolts, which frame may be adapted for attachmentto the floor, or to a block, bench, or other suitable support, and maybe swiveled or otherwise adapted to be turned around, so as to presentthe different sides in front or at any angle required, for the purposeof facilitating the work, giving a better light, or accommodating theworkmen. This frame is so constructed that a straight opening or chamberextends from at or near its upper end down to or near its lower end, inwhich openlng or chamber works the sliding plunger or bar B, thatoperates the cutters c, shears s, and punches m m'm m m m The power isapplied by a shaft, E, and eccentric e, and a hand or foot lever, L, orbelt-pulley, as circumstances may require.

The dies 12, which are adjustable, removable, and changeable, as usual,are mounted in stout grooved brackets a, cast on or attached to theframe, and the punches work between similar inverted brackets a. Thepunches are preferably arranged opposite to each other, in pairs, eachpair being at right angles to the next pair above or below, as shown inthe drawings, so that all may be operated at once without wrenching orstraining the frame. They are supported upon or in projecting arms orcross-heads b b, which constitute an integral part of or are attached vto the sliding plunger B, and extend from the central chamber outthrough suitable slots in the walls of the frame, between the brackets aa. The arms I) b are so constructed that the punches can be adjusted,changed, or removed in the usual manner. The shears and the cutter areof the usual form and construction, the latter being here represented asadapted to cutting off round metal bars or rods, and the cutting-bladesof both being supported upon and operated by projecting arms I) of theplunger B. The punches are intended to vary in size, so that holes ofdifferent sizes may be readily made in a plate or bar of metal by simplychanging it from one punch to another, which, owing to their convenientarrangement, can readily be done. Two or more workmen can use the samemachine at the same time, for punching differentsized holes, withoutinterfering with each other in the least; or one workman can cut orshear metal while others are punching.

The brackets a a. strengthen the frame-and enable it to be madecomparatively light and portable, and the plunger B also assists inpreventing it from getting wrenched or strained. The plunger may be madecomparatively slender and light, since the application of the powerdepends on its tensile strength alone. The whole apparatus is simple inconstruction, compact, convenient of operation, and durable. For heavywork the frame maybe strengthened by making thebrackets a a of differentpairs continuous, or in any'other way that the judgment of themanufacturer may suggest; while for very light work the frame and otherparts may be made much lighter than here shown. t

I do not limit myself to the precise construction or form of the severalparts here shown, but consider my invention as pertaining rather totheir combination and arrangement, by which greater convenience andfacility of operation are attained, and the machine rendered very simpleand compact, considering the amount and variety of work to which it isadapted.

Having thus described my invention, I claim a .as new- The combinationof the frame A A, constructed as described, the series of punches m:

m, &c., the shears s, and the cutters a, all operated simultaneously bypower applied at e to a single plunger or sliding bar, B, so as toutilize the tensile strength thereof, for the purpose substantially asdescribed.

HENRY WISLER. Witnesses M. CHURCH, WM. H. MINNIX,

